D.A.D.S. Electronics 4940 Matterhorn Drive. Duluth, MN 55811 Call today for your FREE estimate! Phone: 218.727.3053 E-mail: Sales: sales@dadselectronics.com Installation/Mobile: mobile@dadselectronics.com Installation/Home: home@dadselectronics.com Service: service@dadselectronics.com Click on the map to view an interactive version.